Диагностика. Часть 2

Диагностика. Часть 2

3rd Grade

20 Qs

quiz-placeholder

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Диагностика. Часть 2

Диагностика. Часть 2

Assessment

Quiz

Chemistry

3rd Grade

Practice Problem

Hard

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20 questions

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1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Ион состава ЭО3- способны образовать

Na

Cl

N

Cr

S

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Водородная связь образуется между молекулами

NH3

H2O

HCl

CH4

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Выберите кислые соли

NaHCO3

(CuOH)2CO3

Na2HPO4

NH4Cl

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Выберите щелочи

Pb(OH)2

Al(OH)3

Sr(OH)2

Mg(OH)2

KOH

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выберите наиболее сильную кислоту из предложенных

H2S

HF

HBr

HI

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выберите правильную запись формулы тетрагидроксоцинката натрия

Na2[Zn(OH)4]

Na[Zn(OH)4]

Na[Zn(OH)2]

Na2[Zn(OH)6]

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Сернистый ангидрид - это

H2S

SO2

SO3

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